Granted Patent
Utility
US 4,680,664 · App. 06/806,873
Overcurrent protection circuit for power transistors
Inventor:
John M. Leuthen
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Dec 9, 1985
Inventor
John M. Leuthen
Assignee (at issue)
Hughes Tool Company LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.